Home / 127,806.74-176,376.85-73,363.60

Finding the Fourth Proportional to 127,806.74, 176,376.85 and 73,363.60

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Solution

The fourth proportional to 127,806.74, 176,376.85 and 73,363.60 is: 101,243.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,806.74 : 176,376.85 = 73,363.60 : x
  2. Step 2: Convert to fraction form
    127,806.74/176,376.85 = 73,363.60/x
  3. Step 3: Cross multiply
    127,806.74x = 176,376.85 × 73,363.60
  4. Step 4: Simplify right side
    127,806.74x = 12,939,640,048.31
  5. Step 5: Solve for x
    x = 12,939,640,048.31/127,806.74
  6. Step 6: Final answer
    x = 101,243.80

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.